package com.hhb.gulimall.product.exception;

import com.hhb.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * @Author: Create by hbw
 * @Date: 2021/4/28 17:09
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.hhb.gulimall.product")
public class GulimallException {

    /**
     * 处理数据校验所出现的异常
     * @param e
     * @return
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{}，异常类型{}",e.getMessage(),e.getClass());
        BindingResult result = e.getBindingResult();
        Map<String,String> map = new HashMap<>();
        result.getFieldErrors().forEach((fieldError)->{
          map.put(fieldError.getField(),fieldError.getDefaultMessage());
        });
            return R.error(400,"数据校验出现问题").put("data",map);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error();
    }


}
